<template>
    <!-- 修饰符 -->
    <div @click="son">
        <button @click.capture="grandson">testCapture</button>
    </div>
</template>

<script setup>
const son = () => {
    console.log('i am son level-2');
}
const grandson = () => {
    console.log('i am grandson level-3')
}
</script>

<style scoped>
</style>